References
- Baer, F. and Tribbia, J. 1977. On complete filtering of gravity modes through non-linear initialization. Mon. Wea. Rev. 105, 1536–1539.
- Ballish, A. B. 1981. A simple test of the initialization of gravity modes. Mon. Wea. Rev. 109, 1318–1321.
- Leith, C. E. 1980. Non-linear normal mode initialization and quasi-geostrophic theory. J. Atmos. Sci. 37, 958–968.
- Machenhauer, B. 1977. On the dynamics of gravity oscillations in a shallow water model, with ap-plications to normal mode initialization. Contrib. Atmos. Phys. 50, 253–271.
- Temperton, C. and Williamson, D. L. 1979. Normal mode initialization for a multi-level gridpoint model. Technical Report no. II ECMWF, Reading, England.
- Thaning, L. 1984. On the existence of solutions to Machenhauer's non-linear normal mode initialization. Tellus 36A, 30–41.
- Tribbia, L. 1981. Non-linear normal mode balancing and the ellipticity condition. Mon. Wea. Rev. 109, 1751–1761.
- Wiin-Nielsen, A. 1979. Normal mode initialization, a comparative study. Lecture Note no. I, ECMWF, Reading, England.